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Crystal Oscillators Manufacturer since 1989

Crystal Oscillators Manufacturer
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Provides you with a full range of high-performance active crystal oscillator solutions. Our product line fully covers SPXO general clock oscillators, differential crystal oscillators (ultra-high frequency), voltage-controlled crystal oscillators (VCXO) and oven-controlled crystal oscillators (OCXO), which are widely used in communication base stations, automotive electronics, the Internet of Things, smart hardware and other fields. 
0N Series SMD1612 Crystal Oscillators
0N Series SMD1612 Crystal Oscillators
A1N Series SMD 2016 Crystal Oscillator For Automotive
A1N Series SMD 2016 Crystal Oscillator For Automotive
2N Series SMD2520 Crystal Oscillator
2N Series SMD2520 Crystal Oscillator
3J Series SMD 3225 LVPECL Crystal Oscillator
3J Series SMD 3225 LVPECL Crystal Oscillator
3H Series SMD 3225 HCSL Crystal Oscillator
3H Series SMD 3225 HCSL Crystal Oscillator
3D Series SMD 3225 LVDs Crystal Oscillator
3D Series SMD 3225 LVDs Crystal Oscillator
2E Series SMD2016 32.768KHz Crystal Oscillator
2E Series SMD2016 32.768KHz Crystal Oscillator
7T Series SMD 3225 TCXO
7T Series SMD 3225 TCXO
SJK (Shenzhen crystal) – Service Introduction
SJK is a National-level "Little Giant" specialized and sophisticated enterprise. Having focused on frequency control components for nearly three decades, its core business is providing the "heart" of electronic hardware—crystal oscillators.
1
Brand & Qualifications
Owns the brand SJK; holds certifications including IATF 16949 (automotive grade), ISO 9001, and RoHS green compliance. Products are sold in over 50 countries worldwide.
2
Core Product Lines
Covers SMD crystal units, spiral oscillators (TCXO/OCXO, etc.), 32.768KHz tuning fork crystals, as well as MEMS oscillators and SAW devices.
3
Manufacturing Capabilities
Features a 30,000+ sqm facility and 40+ fully automated production lines. Capable of mass production in ultra-small packages like 1008 and 1210.
4
One-Stop Service
Covers high-precision scenarios including automotive electronics, AI/computing power, IoT, medical devices, and industrial control.
5
Application Areas
Covers high-precision scenarios including automotive electronics, AI/computing power, IoT, medical devices, and industrial control.
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Why choose SJK?
We are certified with ISO 9001, 14001 & 45001 and our products comply with RoHS & REACH regulations, demonstrating our dedication to quality standards and environmental sustainability. 
Sufficient inventory with ready stock availability
Supports shipment within 4 hours, ensuring rapid response for small-batch orders.
Free sample support to lower R&D barriers
Customers can apply for free samples, enabling frequency component compatibility verification during early product design stages and shortening development cycles.
Fast delivery with 48-hour turnaround for small batches
Leveraging optimized production processes and MEMS technology innovation, Jingkexin has reduced small-batch order lead time to within 48 hours, significantly improving R&D efficiency.
Rapid response with full-process technical support
Provides one-stop technical services from selection and customization to production and after-sales. The FAE team offers on-site support to ensure stable performance across application scenarios.
About SJK
A Leading Manufacturer of Precision Frequency Components
Shenzhen Crystal Technology Industrial Co., Ltd. is a professional manufacturer of frequency control components based in Shenzhen, China. With a strong emphasis on Satisfaction quality, Just-in-time service, and Key-cost offering, our brand name SJK, represents our commitment to these principles. Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With over 30,000 m² of advanced production facilities and 30 fully automated production lines, we ensure high efficiency and precision in every process.
30000㎡
Production Base
36+
Years of Excellence
32+
Strong R&D
100+
Global Reach
Precision Timing for Your Industry
From advanced telecommunications to mission-critical automotive systems, our crystal oscillators deliver the accuracy and reliability your applications demand. Explore how our timing solutions power innovation across key sectors.
AI
Industrial
Telecommunications
Automotive
IoT
New Energy
AI Marketing
The core requirements of Edge AI are real-time data processing, low-latency decision-making, and offline operation capability. Crystal oscillators, as the "reference clock," directly determine the computational accuracy and communication stability of the device.
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Industrial Control Industry
Misjudgments in production line inspection, low motor control precision, crashes under high-temperature and strong electromagnetic environments, and large errors in high-voltage detection—all these challenges in smart industrial deployment point to one critical component: the industrial-grade crystal oscillator.
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Telecom
With the large-scale deployment of 5G and the advancement of 6G research, telecommunications is entering a new stage of "AI-driven intelligent connectivity." Requirements like ultra-high speed, low latency, and massive connectivity have become mandatory.
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Automotive Industry
Vehicle devices crashing under extreme temperatures, multi-sensor data misalignment, V2X communication delays, and CPD false detections? These safety and user-experience pain points all point to automotive-grade crystals — the “reference clock” of vehicle systems.
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IoT
With in-depth expertise in IoT scenarios, SJK crystal oscillators boast three core advantages: low power consumption, high stability and compact packaging. 

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New Energy Marketing
The new energy industry, as the core sector of global energy transformation, covers various subfields such as photovoltaics, energy storage, new energy vehicles, wind power, and hydrogen energy.

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honor certificate
We are certified with ISO 9001, 14001 & 45001 and our products comply with RoHS & REACH regulations, demonstrating our dedication to quality standards and environmental sustainability.
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